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Energy Storage

The use of advanced energy storage technology is seen as the key to increasing flexibility in the distribution system. In simple terms, it can allow the capture of generated energy when it is supplemental to needs, so that it can be stored and released at times when it is needed, for example, at times of peak demand. It provides the ability to instantaneously balance power supply and demand. It can also support power quality management by controlling voltage and frequency when required under emergency conditions.

There are numerous benefits associated with energy storage, these include;

Additional revenue for generators in the form of increased energy sales and payments for ancillary services

Deferment in the reinforcement of both transmission and distribution system assets that would otherwise be required to provide additional capacity

Potential benefits for the end user in the form of reduced energy bills

Provision of system stability during electricity outages

Because of this, we believe energy storage will have a significant part to play in our efforts to improve system flexibility.

We have produced a guidance document setting out our views on the role energy storage has to play in the development of our distribution system and how it can help us move towards becoming a Distribution System Operator (DSO) by taking a more active role in managing our network. Information on the application process to connect energy storage is also included.